Studied Organic Chemistry at University of Karlsruhe (today KIT)
Worked for over 30 years as manager in the Fine Chemical industry, still active
But:
Late 1970s: "started" as butterfly collector and nature enthusiast
Early 1980s: Habitat conservation becomes focus of activities
Green movement in Germany ("Naturschutzverbände") grows exponentially
1980s: Active in many conservation groups
-> Mapping of species ("Kartierung") crucial for protection
Broadening of focus from insects to plants
1984: First local "Flora and Fauna of Bruchsal area", new 1993 version with all groups covered
Significant successes in initiating many major protected areas
1990 - 2000: Heading the conservation groups of the state of Baden-Württemberg
(Landesnaturschutzverband)
since 2000: Ongoing activities in habitat conservation, protection and mapping (see www.agnus-bruchsal.com)
2004: Local "Flora of Karlsruhe" first published as CD
2004: World Orchid checklist published on website (CD plan abandoned)
2005: Website "Flora von Deutschland" started for picture database of Germany, the Alps etc.
2005-2020: Data and picture collection ongoing, World Plants database completed
2010: Data exchange and collaboration with Catalogue of Life started
2020: New refurbished websites published (flora-germanica.de and worldplants.de)
2022: Publication of the 2 main volumes of Flora Germanica as printed version